Maths Olympiad Prep

Library / /316 of 413

, 1998

Algebra Difficulty 2.0 Junior Find the answer Canada

Michael picks three different digits from the set {1,2,3,4,5}\{1,2,3,4,5\} and forms a mixed number by placing the digits in the spaces of \Box\frac{\Box}{\Box}. The fractional part of the mixed number must be less than 11. (For example, 4234\frac{2}{3}). What is the difference between the largest and smallest possible mixed number that can be formed?

(A) 4354\frac{3}{5} (B) 49204\frac{9}{20} (C) 43104\frac{3}{10} (D) 44154\frac{4}{15} (E) 47204\frac{7}{20}

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Source: CEMC, University of Waterloo, licensed CC-BY-NC-4.0. Statement reproduced verbatim; metadata (topic, difficulty) added by this project. Solutions are the publisher's, linked not copied.